Chair



FIG. 1 is an isometric view of a chair showing our new design;

FIG. 2. is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is the opposite side view thereof; and,

FIG. 5 is a top view thereof.

The back and bottom view represent no part of the claimed design. 

The ornamental design for a chair, as shown and described. 